Supetar Weather in May
May in Supetar sees daytime temperatures around 20°C (68°F) and lows of 16°C (61°F) at night. With around 66 mm (2.6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Supetar in May
This month experiences about 12 days of rain according to historical data, averaging 66 mm (2.6 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Supetar in May
May is one of the better months to visit Supetar. Expect 20°C (68°F) during the day and 16°C (61°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 16°C (61°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Supetar in May
The month enjoys around 275 hours of sunshine, creating mostly sunny days with good weather conditions.
Average water temperature in May
With water at 17°C (63°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Supetar.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Supetar's climate page.
Supetar Temperature in May
Min Temperature
16°C (61°F)
Max Temperature
20°C (68°F)
Water Temperature
17°C (63°F) *
Chance of Rain
38%
Precipitation
66 mm (2.6 in)
Rainy days
12 days
Sunshine
275 hours *
Percentage Sunshine
66% *
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Supetar typically rise from around 21°C (70°F) at the start of May to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Supetar in May
Browse day-by-day weather records for Supetar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Supetar historical weather extremes in May
Our historical data for Supetar spans 1993 to 2026, revealing these weather extremes.
- The hottest May day on record in Supetar reached 32°C (90°F) (May 28, 2026).
- The lowest daytime temperature in May was 13°C (55°F), recorded on May 26, 2013.
- The coldest night in May in Supetar was on May 9, 2021, with a minimum of 6°C (43°F).
Best Places in Croatia in May
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Supetar in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 17°C (63°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Supetar in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Supetar's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Supetar climate overview or explore weather in Croatia.
